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Information on Business Segments (Capital Spend by Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Total capital spend | $ 15.3 | $ 32.8 | $ 34.1
ACCO Brands North America |  |  |
Segment Reporting Information [Line Items] |  |  |
Total capital spend | 9.3 | 21.7 | 24.3
ACCO Brands EMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Total capital spend | 4.0 | 7.0 | 6.1
ACCO Brands International |  |  |
Segment Reporting Information [Line Items] |  |  |
Total capital spend | $ 2.0 | $ 4.1 | $ 3.7

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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